That article quotes vast sections of utter balderdash. If you make a rule which is for everyone, then you shouldn't allow some people to break it...it doesn't make sense.

The guy throws his "doosra" by the current laws of cricket...therefore he should not be allowed to bowl it.

Do we have to go by the "three strikes and you're out" rule?
I'd rather we didn't...baseball is such a terrible game.